The header consisted of too many unrelated stuff and macros misuse.
Some stuff is moved into scram.hrl and type_compat.hrl.
All macros have been replaced with the corresponding function calls.
TODO: probably type_compat.hrl is not even needed anymore since
we support only Erlang >= OTP 17.5
Due to historical reasons, ejabberd loads the whole file/data
into the memory when serving an HTTP request. This is now improved:
1) For GET requests ejabberd uses sendfile(2) if the underlying
connection is HTTP and falls back to read/write loop with 64kb
buffer for HTTPS connections. This type of requests are handled
by mod_http_fileserver, mod_http_upload, ejabberd_captcha, etc
2) POST requests are now limited to 20Mb and are fully downloaded
into the memory for further processing (by ejabberd_web_admin,
mod_bosh, etc)
3) PUT requests (e.g. for mod_http_upload) are handled by read/write
loop with 64kb buffer
Use crypto:hash/2 function instead of ones from p1_sha.
This function exists since commit
erlang/otp@208f9ad382 and also implemented
as NIF, so I believe it's safe to use it.
Signed-off-by: Peter Lemenkov <lemenkov@gmail.com>
RFC 6455 says that the client's opening handshake includes an Upgrade
header field "containing the value 'websocket', treated as an ASCII
case-insensitive value."
Closes#510.
